My MX Data is a secure data exchange platform for organisations that move sensitive files between clients, suppliers and partner firms. Named-user access, no public links, detailed audit trails and a quantum secure patented methodology help keep each handoff controlled, traceable and easier to explain.
No credit card. Up to 5 users.
A B2B transfer has to work for two security teams, two operating models and often two sets of contractual or regulatory requirements. When there is no shared process, sensitive files tend to fall back to email attachments, public links or unmanaged folders.
Neither organisation needs to open its internal network to the other. The exchange is handled through named users, controlled permissions and a traceable record. For client-facing workflows, see how MX supports secure file sharing with clients.
The process is deliberately simple for users and deliberately structured for governance. Each stage adds control without turning a routine handoff into a document management project.
The sender selects authorised recipients rather than creating a public link. That keeps the exchange tied to known users and a defined business purpose.
AES-256 protection, the ASR process, permissions, expiry dates and download controls are applied according to the sensitivity of the file and the workflow.
The quantum secure patented methodology separates identifying context from file data, distributes protected shards and restores the file only for an authorised recipient.
Views, downloads and other relevant activity are time-stamped so the organisation can answer questions later with evidence rather than recollection.
The ASR process adds another layer of protection beyond conventional file sharing. Read the fuller explanation on our encrypted file sharing page.
Google Drive, Dropbox, OneDrive, SharePoint and WeTransfer are useful for many everyday tasks. MX is designed for the exchanges where a business needs tighter control over the recipient, the file lifecycle and the evidence left behind.
The aim is not to replace every storage or productivity platform. It is to add a controlled exchange layer for sensitive files that would otherwise be difficult to track, restrict or explain. Organisations with broader enterprise requirements can also review our enterprise file sharing options.
MX: AES-256 protection, ASR, named-user controls and detailed audit trails are central to the service.
Everyday tools: security can be strong, but governance depends on product, plan, configuration and user behaviour.
MX: files are sent to named users with configurable permissions, expiry dates and download controls.
Everyday tools: link-based sharing and persistent folders may be convenient, but can require closer policy management.
MX: secure file handoffs and MX Conversations keep the transfer and its business context together.
Everyday tools: real-time co-authoring and sync are useful, but they solve a different collaboration need.
MX: supports files without platform size limits and focuses on controlled exchange rather than permanent archiving.
Everyday tools: storage, synchronisation and long-term content access are often the primary design goals.
A file transfer is easier to defend when the organisation can show who was involved, what happened and when. MX records relevant activity around the exchange so security, compliance and operational teams can work from the same evidence.
Uploads, access events, downloads and related actions can be reviewed in sequence.
Named users reduce ambiguity about who was authorised to receive the information.
Audit information can support client reviews, internal governance and external assurance work.
The platform is designed to reduce risky workarounds while keeping the recipient experience straightforward. Each capability supports a more controlled, accountable and usable file transfer process.
Files are exchanged between specified people rather than through open links that can be forwarded beyond the intended audience.
Relevant file actions are recorded with time and user context, giving teams clearer evidence when an exchange is reviewed.
Move engineering datasets, media, imaging, software packages and other large business files without platform file-size limits.
Secure large file transferSet access periods, recipient permissions and download conditions that reflect the sensitivity and purpose of the exchange.
Collect sensitive files from clients and partners through a controlled intake route rather than asking them to use email.
Explore secure uploadsChoose approved storage regions where available to support legal, contractual and internal data location requirements.
Keep secure discussion close to the file activity so instructions and decisions do not drift into separate email threads.
Secure file collaborationPresent a branded domain, logo and colour scheme so clients and partners receive a consistent professional experience.
My MX Data does not make an organisation compliant by itself. It provides security, access and evidence controls that can help facilitate GDPR, UK Data Protection Act and ISO 27001-aligned processes, alongside your own policies and legal responsibilities.
Detailed records help teams show who accessed a file, when activity occurred and which controls were applied to the exchange.
Named-user access and configurable permissions reduce reliance on public links and support clearer accountability for external sharing.
Time-limited access helps organisations avoid leaving sensitive files available longer than the business purpose requires.
Data sovereignty options can help teams align approved storage regions with contractual, policy or regulatory considerations.
Different sectors move different information, but the governance questions are familiar: who had access, was the recipient authorised, how long did access remain open, and can the business prove what happened?
Exchange client records, transaction information and regulatory documents through a more controlled, auditable process.
File sharing for financeSupport controlled information exchange with named recipients, data location choices and a detailed activity record.
Government secure file transferMove case files, contracts, due diligence packs and client material without relying on forwarded links or oversized attachments.
Secure legal file sharingSend CAD, schematics, specifications and intellectual property across suppliers, customers and programme partners.
Corporate file sharingThe value is not only stronger security. Teams also need a practical route that keeps projects moving and gives clients or partners confidence in how their information is handled.
Exchanging files with partners used to mean size limits, blocked emails and missing attachments. MX gave us one controlled route for contracts and reports, while the speed has kept projects moving.
Andrew F.Partner - Legal services
Different systems on each side made business file sharing awkward. MX gave us a clear process for sensitive documents, with named recipients and a record we can check afterwards.
Adam J.Director - Business partnerships
We exchange contracts and reports with other firms every day. Transfers are now quick, protected and easy to track. It feels like the process is finally under control.
Chris D.Director - Business development
These answers focus on the practical questions raised by IT, compliance, operations and partner-facing teams. More platform-wide guidance is available in the My MX Data FAQ.
MX is designed for controlled file handoffs between known users in different organisations. It is not trying to be a shared drive, a permanent archive or a real-time editing suite. The service focuses on the point where sensitive information leaves one business and becomes another business's responsibility.
That focus changes the process in practical ways:
This approach aligns with the NCSC's emphasis on understanding and controlling supply-chain risk. Organisations can review the official NCSC supply-chain security guidance alongside their own contractual and security requirements. MX provides the exchange layer that supports that broader governance work.
MX combines AES-256 protection with its quantum secure patented methodology, known as Anonymise, Shard, Restore. The file is anonymised, split into protected shards and restored only when an authorised recipient completes the required access process. This reduces reliance on a single readable file travelling or residing in one location.
The methodology should not be described as unbreakable or as a guarantee against every future threat. Its purpose is to add another layer of protection beyond conventional file sharing and to support a more resilient long-term security posture. It also works alongside named-user access, configurable permissions, expiry settings and audit trails.
The UK NCSC describes migration to post-quantum cryptography as a multi-year change programme. Its current post-quantum migration guidance is useful context for organisations reviewing long-term cryptographic risk. MX's ASR methodology is a distinct patented approach and should be assessed as part of the organisation's wider security architecture, not as a substitute for it.
Yes. Different partner relationships rarely carry the same level of risk, so a single open-sharing policy is usually too blunt. MX allows organisations to build exchanges around named users and apply settings that match the purpose, sensitivity and expected lifespan of the file.
Teams can use recipient permissions, access expiry, download restrictions and account controls to separate one partner workflow from another. A supplier receiving engineering drawings can therefore have a different access profile from an adviser reviewing a contract or a customer submitting due-diligence material.
The platform's whitelabelling options also allow the experience to reflect your organisation's identity, which can reassure external users that they are using the approved route. For wider administration needs, the secure enterprise file sharing software page explains how managed transfer controls can fit across departments, companies and larger partner networks.
MX supports compliance efforts by giving organisations stronger control, visibility and evidence around sensitive file movement. It does not guarantee compliance, because legal and regulatory outcomes also depend on lawful processing, contracts, policy, staff behaviour, retention decisions and the wider technical environment.
For a B2B exchange, the most relevant platform controls include named-user access, AES-256 protection, the ASR methodology, expiry dates, download permissions, data sovereignty options and detailed audit trails. Together, these can help teams demonstrate that access was restricted, activity was recorded and information was not left available without a defined purpose.
Organisations handling personal data should use the official ICO UK GDPR guidance and obtain appropriate legal or data protection advice. MX can then be configured to support the controls identified through that assessment, including internal policies and client-specific security requirements.
MX supports file transfers without platform file-size limits. This is useful when partner workflows involve CAD models, engineering datasets, high-resolution media, research files, software packages, imaging or large collections of supporting documents that do not fit comfortably into email or consumer transfer services.
Removing a platform size cap also reduces the temptation to split archives into multiple parts, compress files beyond usefulness or move work through unapproved personal accounts. The transfer remains within the same named-user, permission and audit process regardless of whether the file is a short contract or a multi-gigabyte programme package.
Actual transfer time still depends on factors such as the sender's connection, the recipient's connection, local network policy and the route between locations. Teams planning a high-volume deployment can review MX plans and enterprise options or discuss expected volumes with the My MX Data team.
The recipient experience is designed to keep the secure route practical. External users receive an approved way to upload or download files, while the organisation retains control over identity, permissions and the exchange record. They do not need access to your internal network, shared drive or document management environment.
Clear invitations, named-user accounts and a focused file handoff reduce the need for lengthy instructions. Customisable whitelabelling can also present your logo, domain and colours, helping recipients recognise that they are in the right place rather than being sent to an unfamiliar consumer service.
For more complex roll-outs, administrators can define the partner structure, user roles and controls before inviting external teams. This makes it possible to start with a small project, learn how recipients use the process and then extend the model across more suppliers, clients or departments without changing the core governance approach.
Test MX with a real client, supplier or partner workflow. See how named users, audit trails, policy controls and unrestricted file sizes work together without adding unnecessary document management overhead.
